Laser Crystal No Further a Mystery

Laser Crystal No Further a Mystery

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These tables contain only the most typical host crystals; lots of Some others exist, that are much less regularly utilized.

These ions permit the crystal to amplify light in the laser wavelength through stimulated emission, when Electricity is provided on the crystal by way of absorption of pump gentle (�?optical pumping

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作为工业上使用较多的都是高掺钇铝石榴石，也就是说掺入不同的元素来达到不同的效果；作为工业激光，关注以下性能：

晶体的光学质量对激光器的有效运行至关重要。晶体中的缺陷或杂质可能导致光散射、吸收甚至损坏晶体。高光学质量确保了稳定和高质量的激光束。

Certainly, it's very attractive that a provided crystal high quality is manufactured regularly, although diverse laser types can have another sensitivity to content parameters.

The most attainable doping concentration can rely strongly to the host material and its fabrication process.

激光晶体的效率在很大程度上依赖于某些属性，这些属性不仅限于其基本组成。这些特性决定了产生的激光光束的质量和随后的应用。

热膨胀和收缩系数对确定激光晶体的热透镜特性至关重要。最小化热透镜效应对于在广泛的操作温度范围内保持光束质量至关重要。

These surfaces which are passed through the laser beam are Ordinarily either oriented at Brewster's angle or have an anti-reflection coating.

主体材料中活性离子掺杂物的数量是关键因素。它影响了激光的效率和性能。过低的浓度可能导致低输出，过高的浓度可能导致消光效应，降低晶体的效率。

The medium ought to have a higher transparency (low absorption and scattering) within the wavelength regions of pump and laser radiation, and great optical homogeneity. To some extent, this depends on the quality of the fabric, based on information with the fabrication method.

It may be oriented for near perpendicular incidence on the laser beam, or at read more Brewster's angle. It can be fastened in certain solid mount which also acts as a warmth sink. Much larger crystals are generally used for facet pumping e.g. with significant-ability diode bars.

人造红宝石激光晶体是首次实现激光输出的材料。可用焰熔法、提拉法或助熔剂法生产单晶。用提拉法容易获得大尺寸优质晶体。